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A massive prestellar clump hosting no high-mass cores
(IOP Publishing, 2017-06-01)
The infrared dark cloud (IRDC) G028.23-00.19 hosts a massive (1500M(circle dot)), cold (12 K), and 3.6-70 mu m IR dark clump (MM1) that has the potential to form high-mass stars. We observed this prestellar clump candidate ...
Molecular Gas Properties on Cloud Scales across the Local Star-forming Galaxy Population
(IOP Publishing, 2020)
Using the PHANGS-ALMA CO(2-1) survey, we characterize molecular gas properties on similar to 100 pc scales across 102,778 independent sightlines in 70 nearby galaxies. This yields the best synthetic view of molecular gas ...
The 30 doradus molecular cloud at 0.4 pc resolution with the Atacama large millimeter/submillimeter array: physical properties and the boundedness of COemitting structures
(IOP, 2022)
We present results of a wide-field (approximately 60 x 90 pc) Atacama Large Millimeter/submillimeter Array mosaic of CO(2-1) and (CO)-C-13(2-1) emission from the molecular cloud associated with the 30 Doradus star-forming ...
Episodic molecular outflow in the very young protostellar cluster Serpens South
(Nature Publishing Group, 2015)
The loss of mass from protostars, in the form of a jet or outflow, is a necessary counterpart to protostellar mass accretion(1,2). Outflow ejection events probably vary in their velocity and/or in the rate of mass loss. ...
A portrait of cold gas in galaxies at 60 pc resolution and a simple method to test hypotheses that link small-scale ism structure to galaxy-scale processes
(The American Astronomical Society, 2016-11-01)
The cloud-scale density, velocity dispersion, and gravitational boundedness of the interstellar medium (ISM) vary within and among galaxies. In turbulent models, these properties play key roles in the ability of gas to ...
Molecular cloud cores with a high deuterium fraction: Nobeyama single-pointing survey
(IOP Publishing, 2020)
We present the results of a single-pointing survey of 207 dense cores embedded in Planck Galactic Cold Clumps distributed in five different environments (lambda Orionis, Orion A, Orion B, the Galactic plane, and high ...
Cloud-scale molecular gas properties in 15 nearby galaxies
(The American Astronomical Society, 2018-06-20)
We measure the velocity dispersion, sigma, and surface density, Sigma, of the molecular gas in nearby galaxies from CO spectral line cubes with spatial resolution 45-120. pc, matched to the size of individual giant molecular ...
The TOP-SCOPE survey of planck galactic cold clumps: survey overview and results of an exemplar source, PGCC G26.53+0.17
(IOP Publishing Ltd, 2018)
The low dust temperatures (< 14 K) of Planck Galactic cold clumps (PGCCs) make them ideal targets to probe the initial conditions and very early phase of star formation. "TOP-SCOPE" is a joint survey program targeting ...